MySQL HA Alternatives 2010
- 5. Specializing in Automated , Large Scale Deployments , Highly Available infrastructures, since 2008 also known as “the Cloud”
- 8. What is HA Clustering ? One service goes down => others take over its work IP address takeover, service takeover,
- 29. If those partitions each try and take control of the cluster, then it's called a split-brain condition
- 30. If this happens, then bad things will happen http://linux-ha.org/BadThingsWillHappen
- 53. Usually only 1 mount Multi mount as of 8.X Requires GFS / OCFS2 Regular FS ext3 ...
- 69. Good and bad experiences Better experiences when using the API
- 72. Multi Master Replication Replicating the same table data both ways can lead to race conditions Auto_increment, unique keys, etc.. could cause problems If you write them 2x Both nodes are master
- 87. Updates on slave with identical index id Check error log for disconnections and issues with replication
- 96. MMM Multi-Master Replication Manager for MySQL Perl scripts to perform monitoring/failover and management of MySQL master-master replication configurations Balance master / slave configs based on replication state Map Virtual IP to the Best Node http://mysql-mmm.org/
- 97. Flipper Flipper is a Perl tool for managing read and write access pairs of MySQL servers
- 102. Flipper allows you to move these IP addresses between the nodes in a safe and controlled manner.
- 115. ` Kris Buytaert < [email_address] > Further Reading http://www.krisbuytaert.be/blog/ http://www.inuits.be/ http://www.virtualization.com/ http://www.oreillygmt.com/ ? !